foobar2000, Total Commander, Kerio Personal Firewall 2.1.5 (NOT 4.x). these are the apps that are ALWAYS running here. (well, and a bunch of other stuff, but they're necessary evil so i'm not too proud of them :/)
Opera 6.06 (Registered) Btw, It is faster than firefox, Tested both on a p2 233 laptop with 32mb of memory and Opera still flies. Firefox was too slow to use.
Servant salamander 1.5, A fast free file manager and only 350kb.
AVG antivirus
Irfanview, The best image viewer
Xmplay
FreeRam XP Pro
FTP Explorer
Px3 ac3 to wav converter
Regcleaner
EasyCleaner